Thomas Haukland

One thing just occured to me, when this happened, did you use a magnetic cable? (if so, did you also get messages about excessive power draw from usb device?)

Closing after no activity... feel free to re-open if still an issue

Hey, thats a solid idea. Environment friendly ;) I checked, and there should be room on top of the reversed rj45 socket:  Keeping the issue for a possible next...

Hi! I see you have the slightly more expensive socket, which is meant for thicker legs. I think the pin headers that comes with the MCU Are suitable(you can loosen...

Does it work out of socket? Also worth trying without the magnetic connector...

But yeah, if it does not show up as thumb drive when you reset it out of socket then something is very wrong :(

Just check carefully for shorts. If there Are not any shorts, then my guess its unfixable :(

Just be careful with your magnetic usb connector. That might be the culprit...

I had to check, and mine is set to 380c. I think 400 should be fine. Im guessing the important thing is how long you spend at each pin. Dont...

What do you mean one of the pins connected?